nbs4.dk
Last scanned: 2026-07-02 14:55:32  ·  533ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
NameserverIP addressesPTRASN / ISP
ns1.telecomx.dk 62.192.160.190 ns1.telecomx.dk AS205984 Powernet Aps
ns2.telecomx.dk 62.192.160.191 ns2.telecomx.dk AS205984 Powernet Aps
🌍 A Records1 records   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.51.79.112 3600s ph01.powernet.dk AS205984 Powernet Aps 185.51.78.0/23 🇩🇰 Denmark —
📧 MX Records2 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mx1.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
5 3600s mx2.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover127.0.0.1
🔶 Autoconfignbs4.dk → 185.51.79.112
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   42ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 exchange.onwelcom.dk
📝 TXT Records1 records   145ms
TXT Record
v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -all
✉️ SPF
PolicyRecord (nbs4.dk)
-all (hard fail) v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records
✗ No CAA records — any CA may issue certificates
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.nbs4.dk nbs4.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC51ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA27ms
FieldValue
Serial16
Primary NS (MNAME)ns1.telecomx.dk
Responsible (RNAME)hostmaster@telecomx.dk
Refresh3600s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
30ms
MX
35ms
AAAA
34ms
TXT
145ms
CAA
29ms
HTTPS
30ms
TLSA
65ms
SOA
27ms
MTA-STS
36ms
DNSSEC
51ms
SRV
42ms
Total
533ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-02 14:55:32 533ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-25 15:21:29 1345ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 05:54:24 687ms 2 NS 1 A 2 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone